Log Message:
Update from version 2.04nb1 to 2.05.

Pkgsrc changes:
 o Add a patch to make ExtUtils::MakeMaker emit use of the gmp
   library.  Actual use will be handled by bulidlink / wrapper.
 o Added commented-out extra modules which can be optionally
   used during "make test" if various TEST_* environment variables
   are set.

Upstream changes:

2.05  2008-10-06 Greg
    - New maintainer: Greg Sabino Mullane
    - Allow tests to work on 64-bit platforms. Patch from Flo.
      (CPAN bugs #5960, #30327, #27641, #12751, #15459)
    - Add support for probab_prime function. Patch by shlomif@iglu.org.il.
      (CPAN bug #6184)
    - Get smarter about detecting lack of GMP libraries.
      (CPAN bug #18709)
    - Add META.yml and some more tests.